diff --git a/doc/lua_api.md b/doc/lua_api.md
index 389ea73f2..6d486b56b 100644
--- a/doc/lua_api.md
+++ b/doc/lua_api.md
@@ -2861,14 +2861,14 @@ Elements
     * Requires formspec version >= 6.
     * See `background9[]` documentation for more information.
 
-### `model[<X>,<Y>;<W>,<H>;<name>;<mesh>;<textures>;<rotation X,Y>;<continuous>;<mouse control>;<frame loop range>;<animation speed>]`
+### `model[<X>,<Y>;<W>,<H>;<name>;<mesh>;<textures>;<rotation>;<continuous>;<mouse control>;<frame loop range>;<animation speed>]`
 
 * Show a mesh model.
 * `name`: Element name that can be used for styling
 * `mesh`: The mesh model to use.
 * `textures`: The mesh textures to use according to the mesh materials.
    Texture names must be separated by commas.
-* `rotation {X,Y}` (Optional): Initial rotation of the camera.
+* `rotation` (Optional): Initial rotation of the camera, format `x,y`.
   The axes are euler angles in degrees.
 * `continuous` (Optional): Whether the rotation is continuous. Default `false`.
 * `mouse control` (Optional): Whether the model can be controlled with the mouse. Default `true`.